在我的expo项目中,图标没有在android上渲染。我使用npm.I安装了这个包。cons在web浏览器上渲染,但不在android上渲染。npm i react-native-vector-icons import MaterialCommunityIcons from 'react-native-vector-icons/MaterialCommunityIcons
https://kentcdodds.com/blog/optimize-react-re-renders这里是我很难理解的代码片段。https://codesandbox.io/s/react-performance-1-fast-sgz8f?file=/src/index.js import * as React from 'react'
import ReactDOM from '